HammerHead : Add proximity wake flag

Signed-off-by: scott <scott@ubuntu>

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml

Change-Id: I16a69d2c236802ce66c7de437ed83d630a4ab721

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
few audio updates

Signed-off-by: scott <scott@ubuntu>
hh: Collapse primary audio outputs

 * These are exactly the same. Just OR the flags together instead of
   confusing the HAL.
 * This appears to fix the occasional crackle on low-latency streams
   on other devices, so adding it here.

Change-Id: Id27093a09e6d0e296714221eae9f59f6d431f758
Signed-off-by: scott <scott@ubuntu>

Conflicts:
	audio_policy.conf
hammerhead: Make audio not suck anymore.

 * Add support for additional low-power offload modes
 * Enable gapless playback support
 * Enable 24-bit playback
 * Enable the compander for increased dynamic range on headphones
   and speaker output

Change-Id: If8cae7e940ba753d8b155017b15239bb49616b72
hammerhead: Set volume last to avoid pops on speaker

Change-Id: I11b3d3c41f014628ac5899d3a3bfea1b7937d7bc